Water filler fitting



FIG. 1 is a perspective view taken from the front, top and left side of a water filler fitting showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view taken from the front, top and right side thereof, showing the fitting in an open position; and

FIG. 7 is an exploded perspective view taken from the rear, top and right side thereof, showing the fitting in an open position. 

The ornamental design for a water filler fitting, substantially as shown. 